(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 5/20/2026 4:03 AM America/Puerto_Rico.
Valid through 5/20/2026 5:15 PM America/Puerto_Rico.
fzca52 tjsj 200803
cwfsju
expires:202605202115;;336786
coastal waters forecast
national weather service san juan pr
403 am ast wed may 20 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz712-202115-
coastal waters of northern puerto rico out 10 nm-
403 am ast wed may 20 2026
...small craft should exercise caution...
.today...east winds 10 to 15 knots, increasing to 15 to 20 knots
late this morning and afternoon. gusts up to 30 knots. seas 5 to
6 feet, occasionally to 8 feet. wave detail: northeast 6 feet at
8 seconds. isolated showers this morning. scattered showers early
this afternoon, then isolated showers late.
.tonight...east winds 15 to 20 knots, diminishing to 10 to 15 knots
after midnight. gusts up to 30 knots. seas 5 to 6 feet, occasionally
to 8 feet. wave detail: northeast 6 feet at 8 seconds. scattered
showers after midnight.
.thursday...east winds 10 to 15 knots with gusts up to 20 knots,
increasing to 15 to 20 knots with gusts up to 30 knots in the
afternoon. seas 5 to 6 feet, occasionally to 8 feet. wave detail:
northeast 5 feet at 8 seconds. scattered showers in the afternoon.
.thursday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 4 to 6 feet, occasionally to 8 feet.
wave detail: northeast 5 feet at 8 seconds. scattered showers in the
evening.
.friday...east winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. seas 4 to 5 feet, occasionally to 6 feet. wave
detail: northeast 5 feet at 8 seconds. scattered showers.
.friday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 4 to 5 feet, occasionally to 6 feet. wave detail: northeast
5 feet at 8 seconds.
.saturday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. seas 4 to 5 feet, occasionally to 6 feet.
scattered showers in the afternoon.
.saturday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 4 to 5 feet, occasionally to 6 feet.
scattered showers.
.sunday...east winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. seas 4 to 5 feet, occasionally to 6 feet. scattered
showers.
.sunday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 4 to 5 feet, occasionally to 6 feet.
scattered showers.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 5/20/2026 4:03 AM America/Puerto_Rico.
Valid through 5/20/2026 5:15 PM America/Puerto_Rico.
fzca52 tjsj 200803
cwfsju
expires:202605202115;;336791
coastal waters forecast
national weather service san juan pr
403 am ast wed may 20 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz735-202115-
coastal waters of southern puerto rico out 10 nm-
403 am ast wed may 20 2026
...small craft should exercise caution...
.today...east winds 10 to 15 knots, increasing to 15 to 20 knots
late this morning and afternoon. seas 4 to 5 feet, occasionally to
6 feet. wave detail: southeast 5 feet at 7 seconds. numerous showers
early this morning, then scattered showers late this morning and
early afternoon. isolated showers late.
.tonight...east winds 15 to 20 knots with gusts up to 25 knots. seas
4 to 5 feet, occasionally to 6 feet. wave detail: southeast 5 feet
at 7 seconds. scattered showers in the evening.
.thursday...east winds 15 to 20 knots with gusts up to 25 knots.
seas 4 to 5 feet, occasionally to 6 feet. wave detail: southeast
4 feet at 7 seconds. scattered showers in the morning.
.thursday night...east winds 10 to 15 knots with gusts up to
25 knots. seas 3 to 5 feet, occasionally to 6 feet. wave detail:
southeast 4 feet at 7 seconds.
.friday...east winds 10 to 15 knots with gusts up to 25 knots. seas
3 to 5 feet, occasionally to 6 feet. wave detail: southeast 4 feet
at 7 seconds. scattered showers in the morning.
.friday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 3 to 4 feet, occasionally to 5 feet. wave detail: southeast
4 feet at 7 seconds.
.saturday...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet.
.saturday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 3 to 4 feet, occasionally to 5 feet.
.sunday...east winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. seas 3 to 5 feet, occasionally to 6 feet. scattered
showers in the afternoon.
.sunday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 3 to 5 feet, occasionally to 6 feet.
scattered showers.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 5/20/2026 4:03 AM America/Puerto_Rico.
Valid through 5/20/2026 5:15 PM America/Puerto_Rico.
fzca52 tjsj 200803
cwfsju
expires:202605202115;;336792
coastal waters forecast
national weather service san juan pr
403 am ast wed may 20 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz741-202115-
mona passage southward to 17n-
403 am ast wed may 20 2026
...small craft should exercise caution...
.today...east winds 15 to 20 knots with gusts up to 25 knots. seas
5 to 6 feet, occasionally to 8 feet. wave detail: southeast 5 feet
at 7 seconds. scattered showers.
.tonight...east winds 15 to 20 knots with gusts up to 25 knots. seas
5 to 6 feet, occasionally to 8 feet. wave detail: east 5 feet at
7 seconds.
.thursday...east winds 15 to 20 knots with gusts up to 25 knots.
seas 4 to 6 feet, occasionally to 8 feet. wave detail: east 5 feet
at 7 seconds. scattered showers in the afternoon.
.thursday night...east winds 15 to 20 knots with gusts up to
25 knots. seas 4 to 5 feet, occasionally to 6 feet. wave detail:
southeast 5 feet at 7 seconds and north 1 foot at 7 seconds.
.friday...east winds 10 to 15 knots with gusts up to 25 knots. seas
4 to 5 feet, occasionally to 6 feet. wave detail: east 4 feet at
7 seconds. scattered showers in the afternoon.
.friday night...east winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. seas 4 to 5 feet, occasionally to 6 feet.
wave detail: east 4 feet at 7 seconds. scattered showers in the
evening.
.saturday...east winds 15 to 20 knots, diminishing to 10 to 15 knots
in the afternoon. seas 4 to 5 feet, occasionally to 6 feet.
scattered showers in the afternoon.
.saturday night...east winds 15 to 20 knots. seas 4 to 5 feet,
occasionally to 6 feet. scattered showers.
.sunday...east winds 15 to 20 knots. seas 4 to 5 feet, occasionally
to 6 feet.
.sunday night...east winds 15 to 20 knots. seas 4 to 6 feet,
occasionally to 8 feet. scattered showers.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 5/20/2026 4:03 AM America/Puerto_Rico.
Valid through 5/20/2026 5:15 PM America/Puerto_Rico.
fzca52 tjsj 200803
cwfsju
expires:202605202115;;336793
coastal waters forecast
national weather service san juan pr
403 am ast wed may 20 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz742-202115-
coastal waters of northwestern puerto rico out 10 nm-
403 am ast wed may 20 2026
.today...east winds 5 to 10 knots, increasing to 10 to 15 knots with
gusts up to 25 knots this afternoon. seas 2 to 4 feet, occasionally
to 5 feet. wave detail: north 1 foot at 7 seconds and south 1 foot
at 7 seconds. isolated showers this morning, then numerous showers
with isolated thunderstorms this afternoon.
.tonight...east winds 10 to 15 knots, diminishing to 5 to 10 knots
after midnight. seas 2 to 4 feet, occasionally to 5 feet. wave
detail: south 1 foot at 6 seconds. scattered showers in the evening.
.thursday...northeast winds 5 to 10 knots. seas 2 to 4 feet,
occasionally to 5 feet. wave detail: south 1 foot at 7 seconds.
numerous showers in the afternoon.
.thursday night...east winds 5 to 10 knots. seas 2 to 4 feet,
occasionally to 5 feet. wave detail: south 1 foot at 7 seconds.
scattered showers in the evening.
.friday...east winds 5 to 10 knots. seas 2 to 4 feet, occasionally
to 5 feet. wave detail: south 1 foot at 7 seconds. numerous showers
in the afternoon.
.friday night...east winds 5 to 10 knots with gusts up to 20 knots.
seas 2 to 4 feet, occasionally to 5 feet. wave detail: northeast
2 feet at 6 seconds and south 1 foot at 7 seconds. scattered showers
in the evening.
.saturday...east winds 5 to 10 knots. seas 2 to 3 feet. numerous
showers in the afternoon.
.saturday night...east winds 10 to 15 knots. seas 2 to 4 feet,
occasionally to 5 feet. scattered showers.
.sunday...east winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. seas 2 to 4 feet, occasionally to 5 feet. numerous
showers in the afternoon.
.sunday night...east winds 10 to 15 knots. seas 2 to 4 feet,
occasionally to 5 feet. scattered showers.
winds and seas higher in and near thunderstorms.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 5/20/2026 4:03 AM America/Puerto_Rico.
Valid through 5/20/2026 5:15 PM America/Puerto_Rico.
fzca52 tjsj 200803
cwfsju
expires:202605202115;;336794
coastal waters forecast
national weather service san juan pr
403 am ast wed may 20 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz745-202115-
coastal waters of southwestern puerto rico out 10 nm-
403 am ast wed may 20 2026
.today...east winds 10 to 15 knots with gusts up to 25 knots. seas
2 to 4 feet, occasionally to 5 feet. wave detail: southeast 3 feet
at 6 seconds and northeast 1 foot at 2 seconds. isolated showers
early this morning, then scattered showers late this morning and
early afternoon. isolated showers late.
.tonight...east winds 15 to 20 knots, diminishing to 10 to 15 knots
after midnight. seas 2 to 4 feet, occasionally to 5 feet. wave
detail: southeast 3 feet at 6 seconds.
.thursday...east winds 10 to 15 knots with gusts up to 25 knots.
seas 2 to 3 feet. wave detail: southeast 3 feet at 7 seconds and
northeast 1 foot at 2 seconds.
.thursday night...east winds 10 to 15 knots with gusts up to
25 knots. seas 2 to 3 feet. wave detail: southeast 3 feet at
6 seconds.
.friday...east winds 10 to 15 knots with gusts up to 20 knots. seas
2 to 3 feet. wave detail: south 2 feet at 7 seconds. scattered
showers in the afternoon.
.friday night...east winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots after midnight. seas 2 to 3 feet. wave
detail: south 2 feet at 6 seconds. scattered showers in the evening.
.saturday...east winds 5 to 10 knots. seas 2 to 3 feet. scattered
showers in the afternoon.
.saturday night...east winds 5 to 10 knots. seas 2 to 3 feet.
.sunday...east winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. seas 2 to 3 feet. scattered showers in the afternoon.
.sunday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 3 feet. scattered showers.
$$
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